Home / 103,632.85-155,564.48-64,234.45

Finding the Fourth Proportional to 103,632.85, 155,564.48 and 64,234.45

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Solution

The fourth proportional to 103,632.85, 155,564.48 and 64,234.45 is: 96,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.85 : 155,564.48 = 64,234.45 : x
  2. Step 2: Convert to fraction form
    103,632.85/155,564.48 = 64,234.45/x
  3. Step 3: Cross multiply
    103,632.85x = 155,564.48 × 64,234.45
  4. Step 4: Simplify right side
    103,632.85x = 9,992,598,812.34
  5. Step 5: Solve for x
    x = 9,992,598,812.34/103,632.85
  6. Step 6: Final answer
    x = 96,423.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.